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Genotype - Glyphina betulae Kalt. 

 In Japan comes only one species. 



1. Glyphina betulae Kalt. (PI, X, a, b). 



Vacuna betulae Kalt. Monog. Aphid, p. -(1843). 

 Glyphina betulae Koch. Aphid, p. 260 (1857). 



Winged viviparous female -Body oblong, greenish yellow, head and 

 thorax fuscous, covered with cottony secretions; antennae yellow, with 

 long hairs, as long as the head and thorax combined, the 3rd joint as 

 long as the 4 th and 5 th combined, anterhinarial broader than the 

 postrhinarial at the base; wings hyaline, veins and stigma brownish; 

 abdomen as long as the head and thorax taken together, on the lateral 

 sides fuscous spotted and each segment with a narrow, interrupted fus- 

 cous band; cornicles very short, fuscous; cauda yellowish, broad, short 

 and rounded; legs greenish yellow, femora and tarsi at the apices 

 somewhat infuscated. 



Length of body 2. mm.; exp. tegm. 5.5 mm.; antennae 0.8 mm. 



Apterous viviparous female - Body oval, with many bristly hairs; 

 antennae short, 1/3 the length of the body, dark green; the 3rd joint 

 paler, longer than the 4th and 5th combined; thorax and abdomen 

 with a paler dorsal stripe and 2 rows of paler spots on the lateral sides 

 of the abdomen; cornicles very short; cauda broadly conical; legs 

 greenish yellow. 



Length of body 1.6; antennae 0.7 mm. 



Nymph - Nearly the same as that of the apterous viviparous female 

 except the wing-sheath, which is conclored and reaches to the 3rd abdo- 

 minal segment. 



Hab. - Hokkaido (SapjDoro), Honshu; Europe. 



